smokeloader | 496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391

Analysis

max time kernel
146s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
25-06-2024 10:58

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General

Target

1.exe
Size

227KB
MD5

4c2fac8f9227cdb10b5b8056f396629b
SHA1

3e84121bee19dd64d74ef41196a09894a6017d73
SHA256

496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391
SHA512

10297336f66bb57fd6d1d8a563dd507d05b79d63cec50e3069593055b1b21f41c8de10284f7d6d2ece981e68bd3970252f3e7700d0fa3f602867f5f5b95ed3b6
SSDEEP

3072:1Jr6zgrn0rzKl3g5hxsrtYvyjIo3T8NAf68hu0nPsZciXcYW43hK:1hnezKl3UstVIo3T8ONhZPKVs

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1376 3112 WerFault.exe 1.exe

pid	pid_target	process	target process
1376	3112	WerFault.exe	1.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

1.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1.exe

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Checks SCSI registry key(s)
PID:3112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 388
2⤵
- Program crash
PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3112 -ip 3112
1⤵
PID:4256

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3112-2-0x0000000002150000-0x000000000215B000-memory.dmp

Filesize
44KB

Download
memory/3112-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3112-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3112-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download